Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4709633 | Circuit for controlling the ink level of an intaglio printing device | — | 1987-12-01 |
| 4623879 | System for verifying the position of a movable table | — | 1986-11-18 |
| 4451879 | Circuit for providing a common setpoint for manual and automatic regulation of a process control system | Norman D. Welch | 1984-05-29 |
| 4445526 | System and method for controlling the specific gravity and viscosity of the slurry applied to television picture tube faceplates | — | 1984-05-01 |